Note 3 - Loans (Detail) - Troubled Debt Restructurings that are performing according to their restructured terms: (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Number of contracts	24	18
Recorded investment (in Dollars)	$ 19,901	$ 20,594
Multi-Family Residential [Member]
Number of contracts	8	11
Recorded investment (in Dollars)	2,347	9,412
Commercial Real Estate Loans [Member]
Number of contracts	5	2
Recorded investment (in Dollars)	8,499	2,499
One-To-Four Family - Mixed-Use Property [Member]
Number of contracts	7	3
Recorded investment (in Dollars)	2,336	795
One-To-Four Family - Residential [Member]
Number of contracts	1
Recorded investment (in Dollars)	374
Construction [Member]
Number of contracts	1	1
Recorded investment (in Dollars)	3,805	5,888
Commercial Business And Other [Member]
Number of contracts	2	1
Recorded investment (in Dollars)	$ 2,540	$ 2,000